Advertising mast or similar article



FIG. 1 is a front elevational view of an advertising mast showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a sectional view thereof, taken along line 4--4 of FIG. 1. 

The ornamental design for an advertising mast or similar article, substantially as shown. 